Erect shrub to 1 m tall, glabrous. Leaves cauline, fasciculate, linear to subulate, channelled above, entire; lamina 18-30 mm long, to 0.5 mm wide; axillary hairs few. Inflorescence a spike or spike-like thyrse, to 12 cm long; bracts triangular, not exceeding sepals; bracteoles linear, 1 mm long. Sepals ovate to elliptic, 1 mm long. Corolla 8-10 mm long; lobes ±equal, 4.5-6 mm long; wings c. 0.8 mm wide. Ovary septum obsolete, ovules 1-3; style with stiff, purplish hairs and minute, glandular hairs. Fruit a globular nut, 1.5 mm diam. Seeds elliptic, c. 1 mm long.